Home / 19,557.44-26,943.64-15,999.92

Finding the Fourth Proportional to 19,557.44, 26,943.64 and 15,999.92

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Solution

The fourth proportional to 19,557.44, 26,943.64 and 15,999.92 is: 22,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.44 : 26,943.64 = 15,999.92 : x
  2. Step 2: Convert to fraction form
    19,557.44/26,943.64 = 15,999.92/x
  3. Step 3: Cross multiply
    19,557.44x = 26,943.64 × 15,999.92
  4. Step 4: Simplify right side
    19,557.44x = 431,096,084.51
  5. Step 5: Solve for x
    x = 431,096,084.51/19,557.44
  6. Step 6: Final answer
    x = 22,042.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.